TM 11-5840-281-35/1
(19) Remove four screws (32), lockwashers (33),
NOTE
flat washers (34), waveguide support (47), and pre-
If connectors J502 and J503, or cable is
formed packing (48) from elevation drive housing (215).
to be replaced, proceed with next step; if
(20) Loosen 20 fasteners (65) on 2 covers (66),
not, proceed with step (7).
then remove covers and gaskets (67).
(21) Remove three screws (68), lockwashers (69),
(5) Disassemble connector P502 (14) and unsolder
and flat washers (70) from spur gear (71).
cable (15) wires.
(22) Remove seal (61), nut (62), key washer (63),
(6) Disassemble connector P503 (16) and unsolder
and bearing (64).
other end of cable wires.
(23) Remove spur gear (71) and elevation drive
(7) Remove two lube fittings (17), retaining ring
shaft (72) from elevation drive housing.
(18), nut (19), washer (20), and cam follower (21), to
(24) Remove seal (73), shim (74), and bearing (75)
release connecting arm (22).
from elevation drive shaft.
(8) Remove three screws (23) and separate 10-
(25) Remove two plugs (76) and drain lubricant
35 actuator assembly (24) from elevation drive housing.
from elevation drive housing before continuing with
disassembly.
NOTE
(26) Disconnect wires from motor at terminal
Refer to paragraph 5-19 for disassembly
boards inside elevation drive housing.
procedures
for
10-35
actuator
(27) Remove eight screws (77), lockwashers (78),
assembly.
flat washers (79), and motor (80) from elevation drive
housing.
(9) Remove screw (25), lockwasher (26), flat
washer (27), and actuator crank arm (28) from elevation
NOTE
drive assembly.
Refer to paragraph 5-18 for disassembly
(10) Remove waveguide coupler (35) and covers
procedures for the drive motor.
(36) from rotary coupler (59).
(11) Remove two waveguide couplers (37) and
(28) Remove preformed packing (81 and 82).
covers (38) from rotary couplers (59).
(29) Remove screw (83), flat washer (84), and wire
(12) Remove four screws (39), lockwashers (40),
rope assembly (85) from motor.
flat washers (41), and two clamps (42) from waveguide
(30) Remove 18 screws (86), lockwashers (87), flat
support (47).
washers (88), gear box cover (89), and gasket (90).
(13) Remove four screws (43), lockwashers (44),
(31) Remove two seals (91), spur gear (92), and
flat washers (45), and two clamps (46) from waveguide
bearing (93 and 94).
support (47).
(32) Remove spur gear (95), pin (96), spur gear
(14) Remove nut (49), screw (50), lockwasher (51),
(97), bearings (98), and seal (99).
and flat washer (52).
(33) Remove spur gear (100) and bearings (101).
(15) Remove rotary coupler assemblies (59) from
(34) Loosen 10 fasteners (102) then remove cover
waveguide support (47).
(103) and gasket (104).
(16) Remove four nuts (54), screws (55), lock-
(35) Remove four screws (105), lockwashers (106),
washers (56), flat washers (57), and two clamps (58).
and flat washers (107).
(17) Separate two rotary couplers (59) from bracket
(36) Separate synchro assembly from elevation
(60).
drive housing.
(37) Remove retaining ring (108), pin (109), spur
NOTE
gear (110), spacer (111), two bearings (112), and shaft
Refer to paragraph 5-22 for disassembly
(113).
procedures for the rotary couplers.
(38) Remove two hub clamps (114) and spur gears
(115).
(18) Remove screw (29), lockwasher (80), and flat
(39) Remove three rim clamps (116) and synchro
washer (31), then separate waveguide support arm (53)
(117).
from elevation drive shaft (72).
5-41
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